Longevity FORCECUT 50i - Manual (Page 18)

PLASMA CUTTERS www.LWELD.com
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2. Power Indicator : Shows unit is powered on. Indicator is present in some models with
a green LED bulb.
3. O.C. Over Current Light: Illuminates when the duty cycle has been exceeded or the
machine has overheated due to improper ventilation. Discontinue use until lamp goes
out. Allow the fan to continue to run. Once lamp goes out, you may resume using the
unit.
4. Digital Display: Displays the approximate amount of amperage set to on the unit.
5. Gas (Air) Test/Cutting: This mode allows you to test air pressure and release air
through the torch. Selecting Gas (Air) Test, you should have air passing through the
torch as long as the compressor is on. Cutting mode allows you to use the plasma cutter
normally.
6. AMP Adjustment Knob: Adjusts the amount of amps to desired AMP setting.
7. Ground Clamp Connector (+): Location of ground clamp to be plugged in and ran to
the workpiece.
8. Torch Remote Connector: 2 or 7 pin torch connector plugs here to activate the torch
relay once the trigger is pressed on the torch.
9. Torch Connector: Connect torch for air to pass through the unit and generate the arc
at the torch tip.
10. Pilot Arc Torch Connector: Connect the torch pilot arc wire coming from the torch to
this knob for proper arching.
11. Torch Air Outlet: This is only used with specific torches that require water cooling.
Your unit does not come with this feature as it is not required.
12. Air Regulator Pressure Gauge: Shows the amount of pressure at the torch in PSI.
13. Pressure Regulator Adjustment Knob: Adjust the amount of pressure at the unit. Pull
the knob towards you to unlock, turn clockwise for more pressure and counter
clockwise for less pressure. Once the desired pressure is reached, pop the knob back in
place to lock it in place.
14. Thermal Protection Fan: Cools your unit during operation. Fan should be operating
once the power is turned on and the unit power indicator is lit.
15. 220v Power Cord: Attach the power cord to the wall outlet for unit power. Required
30amp breaker on 220v side.
16. Ground Lug: An additional safety grounding lug. You can earth this wire or properly
ground it to your electricians specifications. Grounding the unit and yourself during
cutting is extremely important to avoid shock and damage to the unit.
17. Air Inlet: Attach air compressor hose to the air inlet here.